package com.decade.storage.service;

import com.decade.storage.mapper.StorageMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

/**
 * @Author: decade
 * @Description:
 * @Date: 2021/1/27 13:14
 **/
public interface StorageService {
    void decrease(Long productId, Integer count) throws Exception;
}
